Comparison

Binary Brain vs Binary Calculator SDG

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Binary Brain

Features
Read full description

This is an arbitrary-precision binary calculator for iOS and watchOS. It can add, subtract, multiply, or divide two or more binary numbers. It can operate on very large integers and very small fractional values. This calculator is, by design, very simple. You can use it to explore binary numbers in their most basic form. It operates on binary numbers (positive and negative). Although designed to be simple, it is an excellent educational tool as well. It keeps track of the calculation in order to let the user verify the calculation. It converts automatically and in real time the latest number in decimal and hexadecimal format. It also converts the latest number in IEEE 754 binary32 (Single-precision floating-point format) format (not available in watchOS version). This calculator is able to calculate bitwise AND, OR, NAND, NOR, XOR and XNOR operations. Moreover, it is possible to perform bit shift operations (not available in watchOS version).

About

Binary Calculator SDG

Features
Read full description

The binary calculator is a powerful tool that allows users to easily add, subtract, divide, and multiply binary numbers, making complex calculations fast and efficient.

Screenshots

Binary Brain4 screens
Binary Calculator SDG4 screens

Verdict

The call

The clearest difference is price: Binary Calculator SDG at Free against Binary Brain's $0.99. Binary Calculator SDG also leads on update cadence (every 12 months vs every 38 months) and iOS requirement (11.0 vs 13.0). Binary Brain's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Binary Calculator SDG is free to download; Binary Brain costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Binary Brain ships an update every 38 months, Binary Calculator SDG every 12 months. The most recent releases landed on September 21, 2026 and October 4, 2026 respectively.

Scorecard4 real differences ยท 2 level
Binary Brain versus Binary Calculator SDG: the parameters behind the verdict, then further details
ParameterBinary BrainBinary Calculator SDG
Price$0.99Free โ€” better
Update frequencyEvery 38 monthsEvery 12 months โ€” better
AdsNo โ€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod, Apple Watch โ€” betteriPhone, iPad, iPod
Requires iOS13.011.0 โ€” better
Further details โ€” not scored
Size6 MB12 MB
Age rating4+4+
DeveloperGeorge ChalkiadoudisSDG CODE DOO NIS

In-app purchases

None

Binary Brain

No in-app purchases

None

Binary Calculator SDG

No in-app purchases

Questions

Is Binary Brain free?
Binary Brain costs $0.99, with no in-app purchases.
Is Binary Calculator SDG free?
Binary Calculator SDG is free to download, with no in-app purchases.
Do Binary Brain or Binary Calculator SDG have ads?
Binary Calculator SDG shows ads; Binary Brain does not.
Which is updated more often, Binary Brain or Binary Calculator SDG?
Binary Brain ships an update every 38 months, and Binary Calculator SDG every 12 months. Most recently, Binary Brain was updated on September 21, 2026 and Binary Calculator SDG on October 4, 2026.

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